<?php

function GetFolders( $resourceType, $currentFolder )
{
    // Map the virtual path to the local server path.
    $sServerDir = ServerMapFolder( $resourceType, $currentFolder ) ;

    // Array that will hold the folders names.
    $aFolders   = array() ;

    $oCurrentFolder = opendir( $sServerDir ) ;

    while ( $sFile = readdir( $oCurrentFolder ) )
    {
        if ( $sFile != '.' && $sFile != '..' && is_dir( $sServerDir . $sFile ) )
            $aFolders[] = '<Folder name="' . ConvertToXmlAttribute( $sFile ) . '" />' ;
    }

    closedir( $oCurrentFolder ) ;

    // Open the "Folders" node.
    echo "<Folders>" ;

    natcasesort( $aFolders ) ;
    foreach ( $aFolders as $sFolder )
        echo $sFolder ;

    // Close the "Folders" node.
    echo "</Folders>" ;
}

function GetFoldersAndFiles( $resourceType, $currentFolder )
{
    // Map the virtual path to the local server path.
    $sServerDir = ServerMapFolder( $resourceType, $currentFolder ) ;

    // Arrays that will hold the folders and files names.
    $aFolders   = array() ;
    $aFiles     = array() ;

    $oCurrentFolder = opendir( $sServerDir ) ;

    while ( $sFile = readdir( $oCurrentFolder ) )
    {
        if ( $sFile != '.' && $sFile != '..' )
        {
            if ( is_dir( $sServerDir . $sFile ) )
                $aFolders[] = '<Folder name="' . ConvertToXmlAttribute( $sFile ) . '" />' ;
            else
            {
                $iFileSize = filesize( $sServerDir . $sFile ) ;
                if ( $iFileSize > 0 )
                {
                    $iFileSize = round( $iFileSize / 1024 ) ;
                    if ( $iFileSize < 1 ) $iFileSize = 1 ;
                }

                $aFiles[] = '<File name="' . ConvertToXmlAttribute( $sFile ) . '" size="' . $iFileSize . '" />' ;
            }
        }
    }

    // Send the folders
    natcasesort( $aFolders ) ;
    echo '<Folders>' ;

    foreach ( $aFolders as $sFolder )
        echo $sFolder ;

    echo '</Folders>' ;

    // Send the files
    natcasesort( $aFiles ) ;
    echo '<Files>' ;

    foreach ( $aFiles as $sFiles )
        echo $sFiles;

    echo '</Files>' ;
}

function CreateFolder( $resourceType, $currentFolder )
{
    $sErrorNumber   = '0' ;
    $sErrorMsg      = '' ;

    if ( isset( $_GET['NewFolderName'] ) )
    {
        $sNewFolderName = $_GET['NewFolderName'] ;

        if ( strpos( $sNewFolderName, '..' ) !== FALSE )
            $sErrorNumber = '102' ;     // Invalid folder name.
        else
        {
            // Map the virtual path to the local server path of the current folder.
            $sServerDir = ServerMapFolder( $resourceType, $currentFolder ) ;

            if ( is_writable( $sServerDir ) )
            {
                $sServerDir .= $sNewFolderName ;

                $sErrorMsg = CreateServerFolder( $sServerDir ) ;

                switch ( $sErrorMsg )
                {
                    case '' :
                        $sErrorNumber = '0' ;
                        break ;
                    case 'Invalid argument' :
                    case 'No such file or directory' :
                        $sErrorNumber = '102' ;     // Path too long.
                        break ;
                    default :
                        $sErrorNumber = '110' ;
                        break ;
                }
            }
            else
                $sErrorNumber = '103' ;
        }
    }
    else
        $sErrorNumber = '102' ;

    // Create the "Error" node.
    echo '<Error number="' . $sErrorNumber . '" originalDescription="' . ConvertToXmlAttribute( $sErrorMsg ) . '" />' ;
}

function FileUpload( $resourceType, $currentFolder )
{
    $sErrorNumber = '0' ;
    $sFileName = '' ;

    if ( isset( $_FILES['NewFile'] ) && !is_null( $_FILES['NewFile']['tmp_name'] ) )
    {
        $oFile = $_FILES['NewFile'] ;

        // Map the virtual path to the local server path.
        $sServerDir = ServerMapFolder( $resourceType, $currentFolder ) ;

        // Get the uploaded file name.
        $sFileName = $oFile['name'] ;
        $sOriginalFileName = $sFileName ;
        $sExtension = substr( $sFileName, ( strrpos($sFileName, '.') + 1 ) ) ;
        $sExtension = strtolower( $sExtension ) ;

        global $Config ;

        $arAllowed  = $Config['AllowedExtensions'][$resourceType] ;
        $arDenied   = $Config['DeniedExtensions'][$resourceType] ;

        if ( ( count($arAllowed) == 0 || in_array( $sExtension, $arAllowed ) ) && ( count($arDenied) == 0 || !in_array( $sExtension, $arDenied ) ) )
        {
            $iCounter = 0 ;

            while ( true )
            {
                $sFilePath = $sServerDir . $sFileName ;

                if ( is_file( $sFilePath ) )
                {
                    $iCounter++ ;
                    $sFileName = RemoveExtension( $sOriginalFileName ) . '(' . $iCounter . ').' . $sExtension ;
                    $sErrorNumber = '201' ;
                }
                else
                {
                    move_uploaded_file( $oFile['tmp_name'], $sFilePath ) ;

                    if ( is_file( $sFilePath ) )
                    {
                        $oldumask = umask(0) ;
                        chmod( $sFilePath, 0777 ) ;
                        umask( $oldumask ) ;
                    }

                    break ;
                }
            }
        }
        else
            $sErrorNumber = '202' ;
    }
    else
        $sErrorNumber = '202' ;

    echo '<script type="text/javascript">' ;
    echo 'window.parent.frames["frmUpload"].OnUploadCompleted(' . $sErrorNumber . ',"' . str_replace( '"', '\\"', $sFileName ) . '") ;' ;
    echo '</script>' ;

    exit ;
}
?>